NAFI CFEI Test Questions – 2026 Edition with
100% Correct Answers
The basicmethodologyof thefire investigationshouldrely on theuseof a
and attentionto all relevantdetails.
a. systematicapproach
b. approximationapproach
c. methodologyapproach
d. generalapproach- Correct answer-a. systematicapproach
With fewexceptions,thepropermethodolgyfor a fire or explosioninvestigationis to first
theninvestigatethecause,circumstances,conditions,or agencies
that brought the ignition source, fuel, and oxidant together.
a. determineresponsibility
b. determineand establishorigin(s)
c. determineif it is a criminal action
d. all of theabove- Correct answer-b. determineand establishorigin(s)
The processof determiningtheorigin, cause,development,and responsibilityas wellas the failure
analysis of a fire or explosion is the definition of
.
a. fire investigation
b. fire scenereconstruction
c. fire evaluation
d. fire analysis- Correct answer-d. fire analysis
The processof determiningtheorigin, cause,and responsibilityfor a fire or explosionis
.
a. fire analysis
b. fire investigation
c. fire scenesurvey
d. fire evaluation- Correct answer-b. fire investigation
,The is the systematic pursite of knowledge involving the
recognitionand formulationof a problem,thecollectionof datathroughobservationand experiment,
and the formulation and testing of a hypothesis.
a. scientificmethod
b. scientificexamination
, c. scientificsurvey
d. scientifictheory- Correct answer-a. scientificmethod
arethevisibleor measurablephysicaleffectsthatremainaftera fire.
These include thermal effects on materials, such as charring, oxidation,
consumption of combustibles,
smoke and soot deposits, distortion, melting, color
changes, changes in character of materials,
structural collapse, and other effects.
a. Fire arrows
b. Fire pointers
c. Fire patterns
d. Flammablepatterns- Correct answer-c. Fire patterns
Distortion, breakage, deterioration, or other fault in an item, component, system,
assembly,or
structurethatresultsin unsatisfactoryperformanceof thefunctionfor which it was designed is
called .
a. broken
b. distorted
c. failure
d. faulty- Correct answer-c. failure
Vehiclefire inspectionsmay presentmanyothersituationsthatposesafetyhazardsto the investigator.
These can include:
a. fuelleaks
b. expelledlubricants
c. electricalenergystoredin thebattery
d. all of theabove- Correct answer-d. all of theabove
The burn or damagepatternsremainingon thebodypanelsand in theinteriorof the
vehicle are primarily used to locate the .
a. origin of thefire
b. potentialignition sources
c. fuel loads
d. all of theabove- Correct answer-d. all of theabove
A wide variety of materials and substances may serve as the first materials ignited
motorinvehicle
fires.Theseincludeenginefuels;transmission,·power steering,and brakefluids; coolants; lubricants;
and the vehicle interior materials or cargo. Once a fire
started,
is any of these materials may contribute
100% Correct Answers
The basicmethodologyof thefire investigationshouldrely on theuseof a
and attentionto all relevantdetails.
a. systematicapproach
b. approximationapproach
c. methodologyapproach
d. generalapproach- Correct answer-a. systematicapproach
With fewexceptions,thepropermethodolgyfor a fire or explosioninvestigationis to first
theninvestigatethecause,circumstances,conditions,or agencies
that brought the ignition source, fuel, and oxidant together.
a. determineresponsibility
b. determineand establishorigin(s)
c. determineif it is a criminal action
d. all of theabove- Correct answer-b. determineand establishorigin(s)
The processof determiningtheorigin, cause,development,and responsibilityas wellas the failure
analysis of a fire or explosion is the definition of
.
a. fire investigation
b. fire scenereconstruction
c. fire evaluation
d. fire analysis- Correct answer-d. fire analysis
The processof determiningtheorigin, cause,and responsibilityfor a fire or explosionis
.
a. fire analysis
b. fire investigation
c. fire scenesurvey
d. fire evaluation- Correct answer-b. fire investigation
,The is the systematic pursite of knowledge involving the
recognitionand formulationof a problem,thecollectionof datathroughobservationand experiment,
and the formulation and testing of a hypothesis.
a. scientificmethod
b. scientificexamination
, c. scientificsurvey
d. scientifictheory- Correct answer-a. scientificmethod
arethevisibleor measurablephysicaleffectsthatremainaftera fire.
These include thermal effects on materials, such as charring, oxidation,
consumption of combustibles,
smoke and soot deposits, distortion, melting, color
changes, changes in character of materials,
structural collapse, and other effects.
a. Fire arrows
b. Fire pointers
c. Fire patterns
d. Flammablepatterns- Correct answer-c. Fire patterns
Distortion, breakage, deterioration, or other fault in an item, component, system,
assembly,or
structurethatresultsin unsatisfactoryperformanceof thefunctionfor which it was designed is
called .
a. broken
b. distorted
c. failure
d. faulty- Correct answer-c. failure
Vehiclefire inspectionsmay presentmanyothersituationsthatposesafetyhazardsto the investigator.
These can include:
a. fuelleaks
b. expelledlubricants
c. electricalenergystoredin thebattery
d. all of theabove- Correct answer-d. all of theabove
The burn or damagepatternsremainingon thebodypanelsand in theinteriorof the
vehicle are primarily used to locate the .
a. origin of thefire
b. potentialignition sources
c. fuel loads
d. all of theabove- Correct answer-d. all of theabove
A wide variety of materials and substances may serve as the first materials ignited
motorinvehicle
fires.Theseincludeenginefuels;transmission,·power steering,and brakefluids; coolants; lubricants;
and the vehicle interior materials or cargo. Once a fire
started,
is any of these materials may contribute
